I'm looking to get a top of the line ethernet cable
Yes, it's digital, and the most common protocol TCP/IP has error correction and retransmission so even if some error occurs, the data packets are retransmitted.
more detail about CCA cables
With very long CCA cables (copper coated aluminum wires), like... let's say over 40-50 meters, SOME network cards had a higher than normal amount of transmission errors with the GREEN / Power saving features enabled. This is because the CCA wires have slightly higher resistance compared to full copper wires, and the algorithms that determine the length of the ethernet cable and adjust transmission power to save a few mW of power can get confused and reduce the transmission power a bit too much and you get a few more errors at the other end. Disabling the power saving features / green modes of the network cards solve this issue.
Basically, doesn't matter during regular browsing because TCP/IP protocol is used for that and has error correction and retransmission, but for some other uses, like for example applications that use UDP (some video conferencing, telephony, some multiplayer games), it's possible to get the random corrupted packet once in a while which would translate to a green block of pixels on the video conference video, or a glitch in the audio, or your character lagging a few ms on the screen.
But again... I'm talking about very long lengths of cable.. for 3-5-10 meters of cable, plain CCA cable will work just as well as a solid core / full copper cable.
A more expensive cable won't make transfers faster (you're limited by the network card, the router, connection between your router/modem and the isp) and won't decrease latency. At 1 gbps, a cat5e cable will give you same performance as a cat6 or cat6a cable and cat7 or higher cables out there are either false advertising, or just pointless waste of money.
There could be a cat7 cable out there with thicker wires inside and which could theoretically support even 25 gbps but if your router/modem/network card is 1 gbps or 2.5 gbps, you'll still only achieve those speeds.
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